AU stalling thread no. 657

BA_GTR · 30-04-2009, 07:39 PM

Hey guys,

The big red car is having stalling issues now. :(

Basically, when slowing down from any speed... if you brake hard the engine stalls. It's extremely unusual though, as at 50km/h the car is at 600rpm. When braking, it drops below 600... seeing 200 sometimes. It also stalls on turns when combined with braking. The car also 'hunts' if you put it in reverse or drive and just push the brake. There is a slight effect in Park, but it isn't too bad.

From what I have been reading, the first steps are to clean the ISC and the throttle body? I had a look at GK's tutorial (http://www.fordforums.com.au/showthr...ody#post864182) and his engine bay appears different. He has a different sort of connection between the airbox pipe and the throttlebody. Can anyone point me in the right direction to remove it?

If cleaning that doesn't help, that means that it could be my power steering switch could be dying? The power steering appears to be 'heavier' than before, and something has been doing fresh leaking on the garage floor. The mechanic that replaced the high pressure hose appears to have used a red oil rather than the yellow Mobil 424 oil that is specified by Ford.

If I force it in first gear and drive upto 80 there doesn't appear to be any lack of power, so that should rule out the fuel system?

Could the transmission be the problem? The car is nearing 180k now, and I don't remember whether the transmission has had a service, it definitely hasn't had one in at least 60 thousand, quite possibly more.

Unusually, the car also had a starting issue recently where it would hiss for a while, and then take a few seconds to begin cranking. When this occured, the problem of stalling began too. I'm not sure whether they are related or not, but the car has stopped this delayed start now.

Thanks for your help guys

mik · 01-05-2009, 12:16 AM

Unusually, the car also had a starting issue recently where it would hiss for a while, and then take a few seconds to begin cranking. When this occured, the problem of stalling began too. I'm not sure whether they are related or not, but the car has stopped this delayed start now.
battery posts/terminals clean? all vacumm hoses hoses on /not cracked ,broken? these would be the first things i would be checking then go on to other stuff, i think i`d throw in an auto service regardless of any other problems at the moment.

JC · 01-05-2009, 01:25 AM

You've cleaned the ISC and this didn't work - next step is to replace it.

Dave_Obsession · 01-05-2009, 01:20 PM

have you recently disconnected the battery / reset the ECU? My car did that for around 100kms.......once the car had relearned idle points under load (a/c, power steering etc) then it was fine....

would also get the auto service done even if it's not related to this current issue...

BA_GTR · 01-05-2009, 06:05 PM

Hey guys,

Thanks for the quick replies. I was driving it today and I noticed that the ECON light was flashing. This is when the transmission is overheating, right? Something tells me that that is the one that has been leaking in the garage as well. Looks like that Auto service definitely is long overdue.

Thanks again.

Dave_Obsession · 02-05-2009, 12:15 AM

well trans oil is red - black (depending on how long it's been in the trans), so if it looks reddy-black then yeah that def sounds like you need an auto service and flush ASAP!

BA_GTR · 04-05-2009, 01:36 PM

Hey guys,

Just a quick update. Whilst I was reading about other people's problems, I found this throttle calibration procedure. I did disconnect the battery however, this problem came after it ran fine for a while. Anyway, after trying this procedure it seems to have reduced the effect significantly

Here is the procedure:

Quote:

Drive car until normal operating temperature.

1. Apply park brake and start engine, make sure A/C is off and steering wheel not moved during calibration.
2. Place in D and let idle for 1min minimum
3. Turn off engine and turn key to last step before starting (cluster guages should be lit up) and press accelerator to floor and hold for 1min minimum.
4. Turn off key, release accelerator and place in P
5. Start engine and test drive.

This could be worth trying for others that have the same problem.

Thanks